Home / 1,951.16-2,693.36-1,321.38

Finding the Fourth Proportional to 1,951.16, 2,693.36 and 1,321.38

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Solution

The fourth proportional to 1,951.16, 2,693.36 and 1,321.38 is: 1,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.16 : 2,693.36 = 1,321.38 : x
  2. Step 2: Convert to fraction form
    1,951.16/2,693.36 = 1,321.38/x
  3. Step 3: Cross multiply
    1,951.16x = 2,693.36 × 1,321.38
  4. Step 4: Simplify right side
    1,951.16x = 3,558,952.04
  5. Step 5: Solve for x
    x = 3,558,952.04/1,951.16
  6. Step 6: Final answer
    x = 1,824.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.